air

SummaryIn his 20s, Joseph Allen helped run his father's investigative agency and started the process to become an FBI agent. When that didn't work out, he turned to another passion—science. Allen now runs the Healthy Buildings Program at…

SummaryTwo research groups have independently shown the atmosphere can contain detectable amounts of DNA from many kinds of animals. Their preprints, posted on bioRxiv last week, suggest sampling air may enable a faster, cheaper way to…